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Return a “NULL” object if search result not found
... return attributes[i];
//if not found
throw no_such_attribute_error;
}
It's likely that not finding attributes is a normal part of execution, and hence not very exceptional. The handling for this would be noisy. A null value cannot be returned because it's undefined behaviour to hav...
How to pass boolean values to a PowerShell script from a command prompt
...'$false'
+ CategoryInfo : InvalidData: (:) [f], ParentContainsErrorRecordException
+ FullyQualifiedErrorId : ParameterArgumentTransformationError,f
Instead of using -File you could try -Command, which will evaluate the call as script:
CMD> powershell.exe -NoProfile -Command .\...
Check if an array is empty or exists
...ed" && array.length > 0) because if array is null we'll get TypeError: Cannot read property 'length' of null.
– Pooyan Khosravi
May 9 '14 at 20:56
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How To: Execute command line in C#, get STD OUT results
...ompletely because the process has written sufficient data to the p.StandardError stream. When the stream becomes full, it appears that the process will halt until the data is consumed, so I have to read both StandardError and StandardOutput in order to guarantee that a task executes correctly.
...
git: undo all working dir changes including new files
...
@Vincent: The -- avoids typing errors by telling the checkout command that no more parameters are specified. Without them you could end with a new branch instead of reseting the current one!
– Igor Rodriguez
Feb 13 '1...
How to cancel/abort jQuery AJAX request?
...tags input.
You can further extend this function by adding definition of error callback - what should happen if request was aborted.
Common use-case for this snippet would be a text input that fires on keypress event. You can use a timeout, to prevent sending (some of) requests that you will hav...
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
...elated code outside the with block. I ended up creating this after getting errors in unrelated libraries after using the version by ericspod which also happened to use expat.
share
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improve this an...
How to use a filter in a controller?
...and you failed to unit test the filter being used? You wouldn't notice the error if you use $filter('filtter1') (2 t's). However, if you inject filtter1Filter Angular will complain immediately that the dependency doesn't exist.
– jkjustjoshing
Jun 2 '15 at 20:3...
What is the best way to find the users home directory in Java?
...ut.println(path);
} else {
System.err.println("Error: " + hResult);
}
}
}
private static Map<String, Object> OPTIONS = new HashMap<String, Object>();
static {
OPTIONS.put(Library.OPTION_TYPE_MAPPER, W32APITypeMapper.UNI...
Iterating over every two elements in a list
...ad a list that had not even amount of numbers in it, it would get an index error. Solved it with a try: except:
– Hans de Jong
Oct 20 '14 at 9:39
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